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Farming Without Pesticides: How Can We Make Agriculture Greener?
Hanging on a gate is a sign reading: "Potatoes — healthy and delicious." The slogan, to which the word "rare" could justifiably be added, is in line with Cornel Lindemann-Berk's philosophy of quality over quantity. "We don't have enough rain in the summer," he tells DW. "And since we don't want to water them, we've turned this weakness into a strength."
The yields are 50 percent lower than they might otherwise have been, but even the rare varieties such as Bergerac or Bamberg aren't watery. Customers from across the region come to the farm shop to buy these spuds known for their rich flavor and high mineral content.
Those who came last summer also got to witness the strips of brightly colored flowers around the edge of the Lindemann-Berk's fields. His mixes of brilliant red poppies, cornflowers and wild daisies attracted an abundance of insect life.
"The number of [plant] species has increased, and the number of each insect species has gone up fourfold," says the agronomist.
This Is Conventional Organic Farming
This family-run business in Germany's Rhineland region is one of 10 farms across the country taking part in a project to test and implement practical and economically viable conservation measures alongside traditional agriculture.
By taking part in the project, which is known as F.R.A.N.Z. (Future Resources, Agriculture & Nature Conservation) and runs from 2017 to 2027, Lindemann-Berk is on his way to becoming an organic farmer.
"As part of this project, we don't use liquid manure or crop protection agents," he says. "The yield is sometimes zero, because weeds such as thistles and burdock are rampant here." For every crop plant, around 30 unwanted herbs and grass also push through the ground.
Lindemann-Berk has been making losses on grain and rapeseed for years. But when he took over the Gut Neu-Hemmerich farm three decades ago he converted several disused buildings into flats and offices, and so he doesn't have to rely on agriculture alone to make a living. Nonetheless, it's still important to him to plant a diversity of grains. He doesn't cultivate monocultures but practices crop rotation, just as farmers did centuries ago. Varying what he grows each year helps to regenerate the soil, while also reducing disease and pests.
As part of other experiments for F.R.A.N.Z, Lindemann-Berk has sown corn and runner beans together. The beans grow up the corn plants and prevent light from reaching the soil, thereby significantly reducing the growth of weeds. Because the beans are rich in protein and the corn contains starch, the mix also lends itself to cattle feed.
"Skylark-windows" — rectangular strips in the shape of windows which are cut into the crops — were also introduced in the fields. This allowed the heavily decimated bird population to breed undisturbed on the ground among the dense grain.
Lindemann-Berk only uses fertilizers and pesticides in an emergency — and even then in homeopathic doses.
"Too much fertilizer can even cause unwanted weeds to multiply. We've been calculating the requirements for more than 40 years. Using soil samples, we examine the amount of nutrients in the soil and calculate exactly how much fertilizer we need to use in order to get a good yield. Only then do we buy what we need," he says.
High Tech in the Fields
He also prefers to use organic fertilizer made of animal excrement. "It's delivered from the Netherlands, because there's hardly any livestock nearby," he says. His farm supplies grain for the Dutch cattle. "So why shouldn't we get the animal's excrement back?" he asks wryly. "Organisms in the soil digest the valuable liquid fertilizer and excrete minerals like nitrogen, which the plants then absorb through their roots."
This liquid crop protection mixture can be applied to troublesome plants using a satellite-navigated and digitally controlled syringe. This kind of work is particularly effective after sunset.
With the help of his own weather station, data collected from the soil and the meteorological service, Lindemann-Berk can make forecasts in order to calculate the risk of attack from fungus. Even then, pesticides should only be used if the plant isn't able to help itself.
By using lactic acid bacteria, Lindemann-Berk was able to dramatically reduce his use of chemical fungicides.
Once the harvest is complete, he takes soil samples again. "So far, the measurements have shown no residues of glyphosate and its breakdown products within the grain," he says.
He points to the shelf behind him, which is full of files, explaining how he has to keep his records for five years. Although fertilizer regulations have been tightening for many years now — causing many farmers to give up on agriculture — he says the positive impacts won't show up in groundwater for 30 years.
Not an Organic Farm — but Still Environmentally Friendly
Organic farms can only treat their plants with copper formulations, which stimulate growth and act as deterrents against fungus. Although it's a heavy metal, people still need copper in small doses to help with blood formation and to support a functioning nervous system.
"We do everything we can to be environmentally friendly, and do what the organic farms do so well," says Lindemann-Berk. "Because no one wants to harm the environment. Agribusinesses have been working in the same places for hundreds of years."
Sustainable practice is a priority here. But in order to be certified as an organic farm, he would need to pluck the weeds by hand and — as was done centuries ago — regularly rake the soil around the plants to uproot unwanted herbs and grasses.
"No one wants to do this job, not even young people doing an internship," he says. And so the job is left to machines, in the age of industrial agriculture in Germany.
Lindemann-Berk gives his plants plenty of space to grow, which allows them to absorb enough nutrients from the soil, and in turn leads to well-aerated earth that is less susceptible to fungal diseases. He also calls on customers who pay too much attention to the appearance of their fruits and vegetables to reconsider.
"If I offer my customers tasty and untreated apples from the orchards, you'll always get complaints about a few marks on the fruit," he says, adding that people want produce that is both organic and flawless. "Those two things don't go together."
Reposted with permission from Deutsche Welle.
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EcoWatch Daily Newsletter
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By Joe Roman and Taylor Ricketts
The COVID-19 pandemic in the United States is the deepest and longest period of malaise in a dozen years. Our colleagues at the University of Vermont have concluded this by analyzing posts on Twitter. The Vermont Complex Systems Center studies 50 million tweets a day, scoring the "happiness" of people's words to monitor the national mood. That mood today is at its lowest point since 2008 when they started this project.
The Hedonometer measures happiness through analysis of key words on Twitter, which is now used by one in five Americans. This chart covers 18 months from early 2019 to July 2020, showing major dips in 2020. hedonometer.org<p>These same tweets also indicate a potential salve. Before pandemic lockdowns began, doctoral student <a href="https://scholar.google.com/citations?user=0P0ZYbIAAAAJ&hl=en" target="_blank">Aaron Schwartz</a> <a href="https://doi.org/10.1002/pan3.10045" target="_blank">compared tweets before, during, and after visits to 150 parks, playgrounds and plazas</a> in San Francisco. He found that park visits corresponded with a spike in happiness, followed by an afterglow lasting up to four hours.</p><p>Tweets from parks contained fewer negative words such as "no," "not" and "can't," and fewer first-person pronouns like "I" and "me." It seems that nature makes people more positive and less self-obsessed.</p><p>Parks keep people happy in times of global crisis, economic shutdown and public anger. Research has also shown that transmission rates for COVID-19 are <a href="https://www.sfchronicle.com/news/article/Is-risk-of-coronavirus-transmission-lower-15287602.php" target="_blank">much lower outdoors than inside</a>. As scholars who study <a href="https://scholar.google.com/citations?user=yFzb2EUAAAAJ&hl=en" target="_blank">conservation</a> and how nature <a href="https://scholar.google.com/citations?user=CCnUeN8AAAAJ&hl=en" target="_blank">contributes to human well-being</a>, we see opening up parks and creating new ones as a straightforward remedy for Americans' current blues.</p>
Park Visits Are Up During the Pandemic<p>According to the Hedonometer, sentiments expressed online started trending lower in mid-March as the impacts of the pandemic became clear. As lockdowns continued, they registered the lowest sentiment scores on record. Then in late May, effects from George Floyd's death in police custody and the following protests and police response once again could be seen on Twitter. May 31, 2020 was the saddest day of the project.</p><p>Recent surveys of park visitors around the University of Vermont have shown people <a href="https://osf.io/preprints/socarxiv/sd3h6" target="_blank">using green spaces more</a> since COVID-19 lockdowns began. Many people reported that parks were highly important to their well-being during the pandemic.</p>
<div id="4c7e4" class="rm-shortcode" data-rm-shortcode-id="bc0ac146ab2a94228f32d973fc2ab272"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1289428912879964160" data-partner="rebelmouse"><div style="margin:1em 0">#Goldengatepark #sf #quarantinemood https://t.co/9l3ufnbkt6</div> — Suvd (@Suvd)<a href="https://twitter.com/Suvd19486406/statuses/1289428912879964160">1596258783.0</a></blockquote></div><p>The powerful effects of nature are strongest in large parks with more trees, but smaller neighborhood parks also provide a significant boost. Their impact on happiness is real, measurable and lasting.</p><p>Twitter records show that parks increase happiness to a level similar to the bounce at Christmas, which typically is the happiest day of the year. Schwartz has since expanded his <a href="https://arxiv.org/pdf/2006.10658.pdf" target="_blank">Twitter study</a> to the 25 largest cities in the U.S. and found this bounce everywhere.</p><p>Parks and public spaces won't cure COVID-19 or stop police brutality, but they are far more than playgrounds. There is growing evidence that parks contribute to mental and physical health in a range of communities.</p><p>In a 2015 study, for example, Stanford researchers sent people out for one of two walks: through a local park or on a busy street. Those who walked in nature showed <a href="https://doi.org/10.1016/j.landurbplan.2015.02.005" target="_blank">improved moods and better memory performance</a> compared to the urban group. And a team led by <a href="https://penniur.upenn.edu/people/eugenia-gina-south" target="_blank">Gina South</a> of the University of Pennsylvania showed in a 2018 study that greening and cleaning up blighted vacant lots in Philadelphia <a href="http://dx.doi.org/10.1001/jamanetworkopen.2018.0298" target="_blank">reduced local residents' feelings of depression, worthlessness and poor mental health</a>.</p>
Creative Strategies<p>It isn't easy to create new parks on the scale of San Francisco's Golden Gate Park or the Washington Mall, but smaller projects can expand outdoor space. Options include greening vacant lots, closing streets and investing in existing parks to make them safer, greener and shadier and support wildlife.</p><p>These initiatives don't have to be capital-intensive. In the University of Pennsylvania study, for example, renovating a vacant lot by removing trash, planting grass and trees and installing a low fence cost only about US$1,600.</p><p>Urban green space is most needed in neighborhoods that have lacked funding for parks, especially given <a href="https://www.nytimes.com/2020/04/08/nyregion/coronavirus-race-deaths.html" target="_blank">COVID-19's disproportionate impact on Black and Latinx people</a>.</p><p>Cities can also create parklike spaces by <a href="https://theconversation.com/with-fewer-cars-on-us-streets-now-is-the-time-to-reinvent-roadways-and-how-we-use-them-140408" target="_blank">closing streets to cars</a>. Many cities worldwide are currently retooling their transportation systems for the post-COVID-19 world in order to <a href="https://thecityfix.com/blog/bicycles-slower-speeds-livable-city-paris-mayor-anne-hidalgo-plans-ambitious-second-term-dario-hidalgo/" target="_blank">reallocate public space</a>, widen sidewalks and make more space for nature.</p><p>Urban designers, artists, ecologists and other citizens can play a direct role, too, creating pop-up parks and green spaces. Some advocates <a href="https://www.bloomberg.com/news/articles/2017-09-15/a-brief-history-of-park-ing-day" target="_blank">transform parking spaces into mini-parks</a> with grass, potted trees and seating for just the time on the meter, to make a larger point about turning so much public space over to cars.</p><p>Or cities can invest a little more. Minneapolis, Cincinnati and Arlington, Virginia, have won <a href="https://www.tpl.org/parkscore" target="_blank">national recognition</a> for their ambitious investments in public park systems. These areas could serve as models for neighborhoods that lack access to parks.</p>
<div id="25fd0" class="rm-shortcode" data-rm-shortcode-id="383f0d2df0237e9359c30dcce6cd6c42"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1276558744835379201" data-partner="rebelmouse"><div style="margin:1em 0">Looking to safely get outside? Check out the best parks for social distancing in this year's top ten ParkScore citi… https://t.co/HJjEtDsrTD</div> — The Trust for Public Land (@The Trust for Public Land)<a href="https://twitter.com/tpl_org/statuses/1276558744835379201">1593190296.0</a></blockquote></div>
A New Park Deal?<p>The United States has historically driven economic recovery with major infrastructure investments, like the New Deal in the 1930s and the 2009 <a href="https://www.investopedia.com/terms/a/american-recovery-and-reinvestment-act.asp" target="_blank">American Reinvestment and Recovery Act</a>. Such investments could easily include nature-positive spaces.</p><p>Parks are not panaceas, as evidenced by the widely publicized <a href="https://www.nytimes.com/2020/07/06/nyregion/amy-cooper-false-report-charge.html" target="_blank">racist confrontation between a white woman and a Black birder</a> in New York's Central Park in early July. But Hedonometer data add to a <a href="https://advances.sciencemag.org/content/5/7/eaax0903?utm_source=miragenews&utm_medium=miragenews&utm_campaign=news" target="_blank">growing body of evidence</a> that they provide <a href="https://doi.org/10.1073/pnas.1807504116" target="_blank">clear mental health benefits</a>. Creating and expanding parks also <a href="https://www.nrpa.org/contentassets/f568e0ca499743a08148e3593c860fc5/economic-impact-study-summary.pdf" target="_blank">generates jobs and economic activity</a>, with much of the money spent locally.</p><p>We believe investments in nature are well worth it, offering both short-term solace in difficult times and long-term benefits to health, economies and communities.</p>
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New York State Attorney General Letitia James announced Thursday that she will attempt to dismantle the National Rifle Association (NRA), arguing that years of corruption and mismanagement warrant the dissolution of the activist organization, as CNN reported.
<div id="7eb49" class="rm-shortcode" data-rm-shortcode-id="83819841e380a7072ec66d3186c160e8"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1291705003984510977" data-partner="rebelmouse"><div style="margin:1em 0">🚨RESPONSE to #Mauritius #OILSpill 🚨 “Once again we see the risks in oil: aggravating the #ClimateCrisis, as well as… https://t.co/PBLioZat6X</div> — Greenpeace Africa (@Greenpeace Africa)<a href="https://twitter.com/Greenpeaceafric/statuses/1291705003984510977">1596801446.0</a></blockquote></div><p>"There is no guaranteed safe way to extract, transport and store fossil fuel products. This oil leak is not a twist of fate, but the choice of our twisted addiction to fossil fuels. We must react by accelerating our withdrawal from fossil fuels," Greenpeace Africa Senior Climate and Energy Campaign Manager Happy Khambule said in a <a href="https://www.greenpeace.org/africa/en/press/11864/greenpeace-africa-response-to-mauritius-oil-spill/?utm_campaign=oil&utm_source=t.co&utm_medium=post&utm_content=single-image&utm_term=mauritius-oil-spill-reactive" target="_blank">statement Friday</a>. "Once again we see the risks in oil: aggravating the <a href="https://www.ecowatch.com/tag/climate-crisis" target="_self">climate crisis</a>, as well as devastating oceans and <a href="https://www.ecowatch.com/tag/biodiversity" target="_self">biodiversity</a> and threatening local livelihoods around some of Africa's most precious lagoons."</p>
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